Wild country mistral 350 junior sleeping bag description the mistral range of synthetic sleeping bags has been designed for those looking for reliable gear within a budgetthe mistral 350 junior is a smaller sleeping bag created for children its for summer and indoor use perfect for camping in warmer weather or sleepovers to keep out the draughts the sleeping bag has been fitted with locking zip sliders to keep the zip in place and prevent it from creeping open during the night there